A randomized 25 question test from a pool of 761 questions, good luck!
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 inputs powered by 24Vdc, or 120Vac??
There has to be a way for data to be communicated to the systems I/O for a HMI application to be effective. Which of the terms below best represents the pool of information for this communication?
There are several common components of signal converters. Which one is best described as transforming the input signal to the required output signal?
In IPv4, which of the protocols below has the additions of delivery acknowledgement and fragmentation/defragmentation?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that licensing would be required for most applications?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves input register # 30009?
There are several devices that reside at each layer within the a typical DCS. Which of the levels below is where PLC and SIS controllers reside?
Which of the recommended standards would be best described as having a half -duplex transmission system?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that systematically allows for devices to initiate communication?
Every network interface must have a physical address in an Ethernet network. Which of the network components below contains these addresses?
There are commonly two configurations a programmer would use for workstations. Which of the answers below would best be described as a workstation that has the majority of the data processing done in the applications at the workstation??
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be required to effectively alert operators to a communication system failure?
The data transmission in SX mode travels in _____ direction(s)? Choose the best answer from the ones provided to fill in the blank
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
Data communication in a DCS takes the form of various networks. Which of the networks below connect servers that share control data over redundant networks?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
Subnet masks in IPv4 are used to divide an existing network. A class B network with 2 nodes, one with an IP address of 128.0.0.1 and a mask of 255.255.0.0. Which of the answers below reflects the address the other node must have for the two nodes to communicate?
Which of the terms below is best described as the devices,in general, that are the final connections off of a segments spur cable?
Model based network devices are at the user level of Ethernet/IP. Information of a devices type and classification would be contained in which of the text files below?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE server application ?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?